618995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 16

約数和(自身を含む): 816480

約数和(自身を除く): 197485

約数列:

[1, 5, 13, 65, 89, 107, 445, 535, 1157, 1391, 5785, 6955, 9523, 47615, 123799, 618995]

約数ペア:

[(1, 618995), (5, 123799), (13, 47615), (65, 9523), (89, 6955), (107, 5785), (445, 1391), (535, 1157)]